/Engine/Source/Runtime/Engine/Classes/PhysicsEngine/PhysicsCollisionHandler.h
Gives game-specific ability to handle and filter all physics collisions in one place. This is a good place to play sounds and spawn effects, as it does not require special object-specific code.
virtual void HandlePhysicsCollisions_AssumesLocked ( [TArray](API\Runtime\Core\Containers\TArray)< [FCollisionNotifyInfo](API\Runtime\Engine\FCollisionNotifyInfo) > & PendingCollisionNotifies )